package com.itheima.health.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.itheima.health.pojo.Member;

import java.util.HashMap;
import java.util.List;

public interface MemberService extends IService<Member> {
    Member findMemeberByTelephone(String telephone);
    HashMap findmember();

    HashMap findMemberByDate(String begin, String end);

    List<HashMap> findmemberBySex();

    List<HashMap> findmemberByAge();

}
